ci.yml: upgrade to upload-artifact@v4 and upload test failures

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
     - run: make -j8 check V=1 CFLAGS_WARN="-Werror"
     - run: make -j8 install V=1 DESTDIR=$PWD/installdir
     - run: make -j8 uninstall V=1 DESTDIR=$PWD/installdir
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: ubuntu-config.h
         path: lib/config.h
@@ -71,6 +71,12 @@ jobs:
     - run: echo "UBSAN_CFLAGS=$DEF_CFLAGS -fsanitize=undefined -fno-sanitize-recover=undefined" >> $GITHUB_ENV
     - run: ./configure CC=clang CFLAGS="$UBSAN_CFLAGS" LDFLAGS="$UBSAN_CFLAGS"
     - run: make -j8 check V=1 CFLAGS_WARN="-Werror"
+      continue-on-error: true
+    - uses: actions/upload-artifact@v4
+      with:
+        name: ubsan-test-fail-logs
+        path: tests/*.failed
+        if-no-files-found: ignore
 
   macos-build-and-test:
     name: Build and test on macOS
@@ -83,7 +89,7 @@ jobs:
     - run: make -j8 check V=1 CFLAGS_WARN="-Werror -Wno-error=deprecated-declarations"
     - run: make -j8 install DESTDIR=$PWD/installdir
     - run: make -j8 uninstall DESTDIR=$PWD/installdir
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: macOS-config.h
         path: lib/config.h
@@ -121,7 +127,7 @@ jobs:
     - run: make -j8 -C lib/e2p/ all V=1 CFLAGS_WARN="-Werror"
     - run: make -j8 -C misc/ mke2fs V=1 CFLAGS_WARN="-Werror"
     - run: misc/mke2fs.exe -T ext4 image.ext4 128M
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: windows-${{matrix.env}}-config.h
         path: lib/config.h
@@ -154,7 +160,7 @@ jobs:
         export STRIP=$TOOLCHAIN/bin/llvm-strip
         ./configure --host=${{matrix.target}} CFLAGS="$DEF_CFLAGS"
     - run: make -j8 V=1 CFLAGS_WARN="-Werror"
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: android-${{matrix.arch}}-config.h
         path: lib/config.h